Tool storage bag



FIG. 1 is a front and top perspective view;

FIG. 2 is a front view;

FIG. 3 is a back view;

FIG. 4 is a right view;

FIG. 5 is a left view;

FIG. 6 is a top view; and,

FIG. 7 is a bottom view.

The broken lines illustrate portions of the tool storage bag and form no part of the claimed design. 

CLAIM The ornamental design for a “tool storage bag,” as shown and described. 